AVEKA FLAVE8ENS. 183 



AVENA FLAVESCENS. 



LINNAEUS. HOOKER AND ARNOTT. SMITH. KOCH. GEEVILLE. WILLDENOW. 



CURTIS. KNAPP. SINCLAIR. SCHRADER. 



HOST. SCHREBER. LEERS. EHRHART. WITHERING. HUDSON. HULL. 

 RELHAN. SIBTHORP. ABBOT. REICHENBACH. DEAKIN. 



PLATE XLII. A. 



Trisetum flavescens, BEAVEAUX. PARNELL. LINDLEY. 



BABINGTON. MACREIGHT. KUNTH. 



The Yellow Oat- Grass. 

 Avena Oat. Flavescens Yellow. 



A FREQUENT species, found in dry meadows and pastures, in 

 -j- England, Scotland, and Ireland, France, Italy, Germany, Spain, 

 Portugal, Norway, Sweden, Russia, and North Africa. 



Sheep are very fond of this Grass. 



Stem upright, circular, and polished, carrying six or seven flat, 

 roughish, acute leaves, with striated sheaths, the upper one double the 

 length of its leaf, and having a brief ligule at its apex. Joints smooth. 

 Inflorescence panicled, the panicle being upright and spreading. The 

 lower branches usually in fives. Spikelets numerous, upright, and 

 diminutive, mostly of three-awned florets, which extend beyond the 

 calyx. Calyx of two acute unequal membranous glumes, the upper 

 glume being the largest and three-ribbed. Florets of two paleae, 

 exterior one of basal floret membranous. Apex bifid; base hirsute; 

 five-ribbed. Inner palese linear, acute, and membranous. Awn twisted 

 at the base, rough, and longer than the palea. Length from twelve 

 to twenty-four inches. Root perennial and creeping. 



Flowers in the middle of July, and ripens its seed in a month. 



The specimen illustrated was gathered at Highfield House, Notting- 

 hamshire. 



